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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-475.609366
Energy at 298.15K-475.613421
Nuclear repulsion energy271.843252
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3152 2970 11.33      
2 A' 1568 1477 5.51      
3 A' 1509 1421 25.36      
4 A' 1363 1284 139.65      
5 A' 1247 1175 264.00      
6 A' 1145 1079 69.22      
7 A' 867 817 19.59      
8 A' 669 630 31.10      
9 A' 551 519 9.55      
10 A' 414 390 0.77      
11 A' 217 204 3.26      
12 A" 3224 3038 12.54      
13 A" 1366 1287 141.74      
14 A" 1248 1176 62.24      
15 A" 1022 963 59.47      
16 A" 531 500 2.69      
17 A" 359 339 1.34      
18 A" 116 109 5.46      

Unscaled Zero Point Vibrational Energy (zpe) 10283.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9688.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G*
ABC
0.17670 0.09344 0.09228

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.353 0.198 0.000
C2 -1.153 0.239 0.000
F3 0.830 1.463 0.000
F4 0.830 -0.432 1.088
F5 0.830 -0.432 -1.088
F6 -1.626 -1.059 0.000
H7 -1.495 0.759 0.896
H8 -1.495 0.759 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.50651.35191.34441.34442.34472.12972.1297
C21.50652.33042.35922.35921.38181.09161.0916
F31.35192.33042.18452.18453.52072.59002.5900
F41.34442.35922.18452.17542.75882.62003.2809
F51.34442.35922.18452.17542.75883.28092.6200
F62.34471.38183.52072.75882.75882.03162.0316
H72.12971.09162.59002.62003.28092.03161.7927
H82.12971.09162.59003.28092.62002.03161.7927

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.469 C1 C2 H7 109.072
C1 C2 H8 109.072 C2 C1 F3 109.118
C2 C1 F4 111.570 C2 C1 F5 111.570
F3 C1 F4 108.229 F3 C1 F5 108.229
F4 C1 F5 108.013 F6 C2 H7 109.895
F6 C2 H8 109.895 H7 C2 H8 110.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability